单选题Which constructs a DataOutputStream？（）A New dataOutputStream（“out.txt”）；B New dataOutputStream（new file（“out.txt”））；C New dataOutputStream（new writer（“out.txt”））；D New dataOutputStream（new FileWriter（“out.txt”））；E New dataOutputStream（new OutputStream（“out.txt”））；F New dataOutputStream（new FileOutputStream（“out.txt”））；
单选题
Which constructs a DataOutputStream？（）
A
New dataOutputStream（“out.txt”）；
B
New dataOutputStream（new file（“out.txt”））；
C
New dataOutputStream（new writer（“out.txt”））；
D
New dataOutputStream（new FileWriter（“out.txt”））；
E
New dataOutputStream（new OutputStream（“out.txt”））；
F
New dataOutputStream（new FileOutputStream（“out.txt”））；
参考解析
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